Home / 434,455.80-651,683.70-154,001.40

Finding the Fourth Proportional to 434,455.80, 651,683.70 and 154,001.40

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Solution

The fourth proportional to 434,455.80, 651,683.70 and 154,001.40 is: 231,002.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,455.80 : 651,683.70 = 154,001.40 : x
  2. Step 2: Convert to fraction form
    434,455.80/651,683.70 = 154,001.40/x
  3. Step 3: Cross multiply
    434,455.80x = 651,683.70 × 154,001.40
  4. Step 4: Simplify right side
    434,455.80x = 100,360,202,157.18
  5. Step 5: Solve for x
    x = 100,360,202,157.18/434,455.80
  6. Step 6: Final answer
    x = 231,002.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.